#45581B
Closest named color: Army Green (#4B5D16). oklch(43.1% 0.089 124.8), rgb(69, 88, 27).
Aa
White text reads best on this color (7.88:1).
About this color
#45581B is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.089 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.020 away. White text reads best on it, at 7.88:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.089) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.66:1 |
| White text | 7.88:1 |
Values
| HEX | #45581B |
| RGB | rgb(69, 88, 27) |
| HSL | hsl(79, 53%, 23%) |
| OKLCH | oklch(43.1% 0.089 124.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #45581B | 7.88:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #45581B | 2.66:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #45581B text on white | 7.88:1 | AAA | Lc 87.3 | Fine for body text |
| #45581B text on black | 2.66:1 | Fails | Lc -14.9 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D5DDC8
oklch(88.6% 0.03 124)
-
Step 300
300
#B9C7A3
oklch(80.9% 0.051 124.8)
-
Step 400
400
#95AA70
oklch(70.7% 0.083 124.7)
-
Step 500
500
#7B9449
oklch(63% 0.106 124.6)
-
Step 600
600
#647E2A
oklch(55.5% 0.115 124.7)
-
Step 700
700
#536B1C
oklch(49.2% 0.108 125)
-
Step 800
800 (this color)
#45581B
oklch(43.1% 0.089 124.8)
-
Step 900
900
#39481C
oklch(37.7% 0.069 125.3)
-
Step 950
950
#222A11
oklch(27% 0.044 123.9)
#45581B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #5D5213 | 0.039 |
| Deuteranopia (no green cones) | #5A5120 | 0.040 |
| Tritanopia (no blue cones) | #48544B | 0.071 |
| Achromatopsia (no color) | #515151 | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45581B
#45581B
oklch(43.1% 0.089 124.8)
- #5B4277
#5B4277
oklch(43% 0.089 304.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #45581B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.020
- Navy Green #35530A ΔE 0.032
- Camouflage Green #4B6113 ΔE 0.032
- Green Brown #544E03 ΔE 0.034
- Pine #2B5D34 ΔE 0.035
- Camo Green #526525 ΔE 0.046
- Olive Brown #645403 ΔE 0.048
- Spruce #0A5F38 ΔE 0.052
Use #45581B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.